11102201121 has 16 divisors (see below), whose sum is σ = 16152756480. Its totient is φ = 6726898320.

The previous prime is 11102201107. The next prime is 11102201153. The reversal of 11102201121 is 12110220111.

It is not a de Polignac number, because 11102201121 - 2⁹ = 11102200609 is a prime.

It is a super-2 number, since 2×11102201121² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11102201097 and 11102201106.

It is not an unprimeable number, because it can be changed into a prime (11102201171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95946 + ... + 177228.

It is an arithmetic number, because the mean of its divisors is an integer number (1009547280).

Almost surely, 2^11102201121 is an apocalyptic number.

11102201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11102201121 is a deficient number, since it is larger than the sum of its proper divisors (5050555359).

11102201121 is a wasteful number, since it uses less digits than its factorization.

11102201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85436.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11102201121 its reverse (12110220111), we get a palindrome (23212421232).

The spelling of 11102201121 in words is "eleven billion, one hundred two million, two hundred one thousand, one hundred twenty-one".